<template>
  <div class="header_container">
    <van-nav-bar :placeholder="pl" fixed  title="天气查询"  />
  </div>
</template>

<script>
export default {
  data () {
    return {
      pl: true
    }
  }
}
</script>

<style>
.van-nav-bar{
  background-color: #007fff;
}
.van-nav-bar__title{
  color: #fff;
}
</style>
